2501061994 has 8 divisors (see below), whose sum is σ = 3760766820. Its totient is φ = 1247473056.

The previous prime is 2501061971. The next prime is 2501062001. The reversal of 2501061994 is 4991601052.

It can be written as a sum of positive squares in 2 ways, for example, as 1997643025 + 503418969 = 44695^2 + 22437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2501061994² = 12510622195662512072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527949 + ... + 1529584.

Almost surely, 2^2501061994 is an apocalyptic number.

2501061994 is a deficient number, since it is larger than the sum of its proper divisors (1259704826).

2501061994 is a wasteful number, since it uses less digits than its factorization.

2501061994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057944.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 2501061994 is about 50010.6188124082. The cubic root of 2501061994 is about 1357.4009607729.

The spelling of 2501061994 in words is "two billion, five hundred one million, sixty-one thousand, nine hundred ninety-four".